<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/vue-2.6.12开发.js"></script>
</head>

<body>
    <div id="root">
        姓: <input type="text" v-model="fistName"><br><br>
        名: <input type="text" v-model="lastName"><br><br>
        全名:<sapn>{{fistName}}-{{lastName}}</sapn>
    </div>
    <script>
        const vnm = new Vue({
            el: '#root',
            data: {
                fistName: '颖',
                lastName: '儿'
            }
        })
    </script>
</body>

</html>